12323432309 has 2 divisors, whose sum is σ = 12323432310. Its totient is φ = 12323432308.

The previous prime is 12323432287. The next prime is 12323432321. The reversal of 12323432309 is 90323432321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7717095409 + 4606336900 = 87847^2 + 67870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323432309 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323432809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161716154 + 6161716155.

It is an arithmetic number, because the mean of its divisors is an integer number (6161716155).

Almost surely, 2^12323432309 is an apocalyptic number.

It is an amenable number.

12323432309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323432309 is an equidigital number, since it uses as much as digits as its factorization.

12323432309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 12323432309 in words is "twelve billion, three hundred twenty-three million, four hundred thirty-two thousand, three hundred nine".